deltatrials
Completed PHASE3 NCT00428948

Tolvaptan Phase 3 Efficacy and Safety Study in Autosomal Dominant Polycystic Kidney Disease (ADPKD)

A Phase 3, Multi-center, Double-blind, Placebo-controlled, Parallel-arm Trial to Determine Long-term Safety and Efficacy of Oral Tolvaptan Tablets Regimens in Adult Subjects With Autosomal Dominant Polycystic Kidney Disease

Sponsor: Otsuka Pharmaceutical Co., Ltd.

Updated 8 times since 2017 Last updated: May 30, 2017 Started: Jan 31, 2007 Primary completion: Jan 31, 2012 Completion: Jan 31, 2012

Listed as NCT00428948, this PHASE3 trial focuses on Polycystic Kidney Disease, Autosomal Dominant and remains completed. Sponsored by Otsuka Pharmaceutical Co., Ltd., it has been updated 8 times since 2007, reflecting limited change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

~Jan 2017 – ~Feb 2017 · 31 days · monthly snapshotCompleted~Feb 2017 – ~Aug 2017 · 6 months · monthly snapshotCompleted~Aug 2017 – ~Jun 2018 · 10 months · monthly snapshotCompleted~Jun 2018 – ~Jan 2021 · 31 months · monthly snapshotCompleted~Jan 2021 – ~Jul 2024 · 42 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshotCompleted~Sep 2025 – present · 7 months · monthly snapshotCompleted

Change History

8 versions recorded
  1. Sep 2025 — Present [monthly]

    Completed PHASE3

  2. Sep 2024 — Sep 2025 [monthly]

    Completed PHASE3

  3. Jul 2024 — Sep 2024 [monthly]

    Completed PHASE3

  4. Jan 2021 — Jul 2024 [monthly]

    Completed PHASE3

  5. Jun 2018 — Jan 2021 [monthly]

    Completed PHASE3

Show 3 earlier versions
  1. Aug 2017 — Jun 2018 [monthly]

    Completed PHASE3

  2. Feb 2017 — Aug 2017 [monthly]

    Completed PHASE3

  3. Jan 2017 — Feb 2017 [monthly]

    Completed PHASE3

    First recorded

Jan 2007

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Otsuka Pharmaceutical Co., Ltd.
  • Otsuka Pharmaceutical Development & Commercialization, Inc.
Data source: Otsuka Pharmaceutical Development & Commercialization, Inc.

For direct contact, visit the study record on ClinicalTrials.gov .